Home / 72,191.73-108,306.05-27,806.56

Finding the Fourth Proportional to 72,191.73, 108,306.05 and 27,806.56

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Solution

The fourth proportional to 72,191.73, 108,306.05 and 27,806.56 is: 41,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,191.73 : 108,306.05 = 27,806.56 : x
  2. Step 2: Convert to fraction form
    72,191.73/108,306.05 = 27,806.56/x
  3. Step 3: Cross multiply
    72,191.73x = 108,306.05 × 27,806.56
  4. Step 4: Simplify right side
    72,191.73x = 3,011,618,877.11
  5. Step 5: Solve for x
    x = 3,011,618,877.11/72,191.73
  6. Step 6: Final answer
    x = 41,716.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.